Display screen or portion thereof having a graphical user interface



A portion of the disclosure of this patent document contains materialwhich is subject to copyright protection. The copyright owner has noobjection to the facsimile reproduction by anyone of the patent documentor the patent disclosure, as it appears in the Patent and TrademarkOffice patent file or records, but otherwise reserves all copyrightrights whatsoever.

FIG. 1 is a front view of a display screen or portion thereof having atransitional graphical user interface showing a first image;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof; and,

FIG. 4 is a fourth image thereof.

The appearance of the display screen or portion thereof having agraphical user interface sequentially transitions between the imagesshown in FIGS. 1-4 . The process or period in which one imagetransitions to another image forms no part of the claimed design.

The dashed broken lines show the display screen or portion thereof anddepict portions of the display screen or portion thereof having agraphical user interface that form no part of the claimed design.

The dot-dashed broken lines represent boundaries of the claimed displayscreen or portion thereof having a graphical user interface and form nopart of the claimed design.

CLAIM The ornamental design for a display screen or portion thereofhaving a graphical user interface, as shown and described.